Incidental Mutation 'R4924:Dmtn'
ID 378903
Institutional Source Beutler Lab
Gene Symbol Dmtn
Ensembl Gene ENSMUSG00000022099
Gene Name dematin actin binding protein
Synonyms dematin, Epb4.9
MMRRC Submission 042526-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.160) question?
Stock # R4924 (G1)
Quality Score 186
Status Not validated
Chromosome 14
Chromosomal Location 70839624-70873488 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 70855399 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 30 (I30T)
Ref Sequence ENSEMBL: ENSMUSP00000153828 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022694] [ENSMUST00000022695] [ENSMUST00000110984] [ENSMUST00000226543] [ENSMUST00000227331] [ENSMUST00000228001] [ENSMUST00000228009] [ENSMUST00000228824] [ENSMUST00000228295]
AlphaFold Q9WV69
Predicted Effect probably benign
Transcript: ENSMUST00000022694
AA Change: I30T

PolyPhen 2 Score 0.250 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000022694
Gene: ENSMUSG00000022099
AA Change: I30T

DomainStartEndE-ValueType
Pfam:AbLIM_anchor 8 93 8e-30 PFAM
Pfam:AbLIM_anchor 79 347 1.9e-58 PFAM
VHP 348 383 1.88e-18 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000022695
SMART Domains Protein: ENSMUSP00000022695
Gene: ENSMUSG00000022099

DomainStartEndE-ValueType
low complexity region 60 72 N/A INTRINSIC
low complexity region 88 99 N/A INTRINSIC
low complexity region 149 160 N/A INTRINSIC
coiled coil region 188 220 N/A INTRINSIC
low complexity region 252 267 N/A INTRINSIC
VHP 345 380 1.88e-18 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000110984
AA Change: I30T

PolyPhen 2 Score 0.250 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000106612
Gene: ENSMUSG00000022099
AA Change: I30T

DomainStartEndE-ValueType
low complexity region 11 29 N/A INTRINSIC
low complexity region 85 97 N/A INTRINSIC
low complexity region 113 124 N/A INTRINSIC
low complexity region 174 185 N/A INTRINSIC
coiled coil region 213 245 N/A INTRINSIC
low complexity region 277 292 N/A INTRINSIC
VHP 348 383 1.88e-18 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000226543
Predicted Effect probably benign
Transcript: ENSMUST00000227331
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227453
Predicted Effect probably benign
Transcript: ENSMUST00000228001
Predicted Effect probably benign
Transcript: ENSMUST00000228009
AA Change: I30T

PolyPhen 2 Score 0.250 (Sensitivity: 0.91; Specificity: 0.88)
Predicted Effect probably benign
Transcript: ENSMUST00000228824
Predicted Effect probably benign
Transcript: ENSMUST00000228295
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is an actin binding and bundling protein that plays a structural role in erythrocytes, by stabilizing and attaching the spectrin/actin cytoskeleton to the erythrocyte membrane in a phosphorylation-dependent manner. This protein contains a core domain in the N-terminus, and a headpiece domain in the C-terminus that binds F-actin. When purified from erythrocytes, this protein exists as a trimer composed of two 48 kDa polypeptides and a 52 kDa polypeptide. The different subunits arise from alternative splicing in the 3' coding region, where the headpiece domain is located. Disruption of this gene has been correlated with the autosomal dominant Marie Unna hereditary hypotrichosis disease, while loss of heterozygosity of this gene is thought to play a role in prostate cancer progression. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Nov 2014]
PHENOTYPE: Mice homozygous for a targeted mutation display mild anemia and spherocytosis. Mutant erythrocytes are osmotically fragile and show reduced deformability and filterability as well as increased membrane fragmentation and selective loss of spectrin and actin from RBC membrane skeletons and vesicles. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk G A 11: 119,902,351 (GRCm39) H625Y probably damaging Het
Adamts4 C T 1: 171,086,643 (GRCm39) R812W probably damaging Het
Ajuba A C 14: 54,809,056 (GRCm39) probably null Het
Aox1 T A 1: 58,344,503 (GRCm39) V532D probably damaging Het
Arpc1b G A 5: 145,063,625 (GRCm39) S295N probably benign Het
Baiap2 A G 11: 119,887,850 (GRCm39) S335G probably damaging Het
Brap T G 5: 121,803,318 (GRCm39) N155K probably damaging Het
Btn1a1 A G 13: 23,648,396 (GRCm39) probably benign Het
Ccl12 G A 11: 81,993,475 (GRCm39) V38I probably benign Het
Cemip T C 7: 83,602,146 (GRCm39) Y881C probably damaging Het
Cep128 T C 12: 90,989,174 (GRCm39) silent Het
Chd5 A C 4: 152,450,886 (GRCm39) D670A possibly damaging Het
Cmip T C 8: 117,983,994 (GRCm39) Y52H probably benign Het
Dscaml1 T A 9: 45,656,487 (GRCm39) M1609K probably damaging Het
Edar C A 10: 58,465,197 (GRCm39) E55D probably damaging Het
Ehmt1 A T 2: 24,729,734 (GRCm39) I601N probably damaging Het
Fam120a A T 13: 49,055,572 (GRCm39) N705K probably benign Het
Gm21718 G T 14: 51,550,292 (GRCm39) noncoding transcript Het
Gnaz A G 10: 74,827,545 (GRCm39) D99G probably benign Het
Helz G A 11: 107,493,165 (GRCm39) G196D probably damaging Het
Hif1a T C 12: 73,986,331 (GRCm39) S341P probably damaging Het
Hivep1 G T 13: 42,311,792 (GRCm39) S1344I probably benign Het
Hspa1l T A 17: 35,196,832 (GRCm39) Y290* probably null Het
Ift81 A G 5: 122,732,679 (GRCm39) L285S possibly damaging Het
Inpp4b T A 8: 82,849,253 (GRCm39) N891K probably damaging Het
Irx6 C T 8: 93,404,981 (GRCm39) T283M probably benign Het
Kdm5b A G 1: 134,559,089 (GRCm39) K1538E probably benign Het
Kif13a A G 13: 47,083,075 (GRCm39) V8A probably damaging Het
Krtap15-1 T A 16: 88,626,036 (GRCm39) N34K probably damaging Het
Lama2 T G 10: 27,245,137 (GRCm39) I215L probably damaging Het
Ldlrad3 C T 2: 101,900,328 (GRCm39) R58H possibly damaging Het
Lvrn C T 18: 47,027,792 (GRCm39) P869L probably damaging Het
Myo1d A G 11: 80,565,504 (GRCm39) F411S probably damaging Het
Myo5b T A 18: 74,828,455 (GRCm39) H702Q probably benign Het
Nat8f4 G T 6: 85,878,401 (GRCm39) Q41K probably benign Het
Nckap5 C A 1: 125,954,765 (GRCm39) E596* probably null Het
Nek10 T A 14: 14,846,594 (GRCm38) probably null Het
Notch3 T C 17: 32,363,705 (GRCm39) Y1145C probably damaging Het
Nr4a2 A T 2: 57,002,035 (GRCm39) H76Q probably benign Het
Nup98 T C 7: 101,784,185 (GRCm39) Q1049R probably damaging Het
Or4k48 A T 2: 111,476,121 (GRCm39) S74T possibly damaging Het
Or5k1b T A 16: 58,580,982 (GRCm39) R186* probably null Het
Or8k33 A T 2: 86,383,853 (GRCm39) F205Y probably damaging Het
Pepd T C 7: 34,720,409 (GRCm39) Y231H probably benign Het
Plagl1 G T 10: 13,003,301 (GRCm39) A190S possibly damaging Het
Plat T A 8: 23,268,269 (GRCm39) I345N probably damaging Het
Pnmt A G 11: 98,278,286 (GRCm39) E120G probably damaging Het
Prkrip1 C A 5: 136,227,797 (GRCm39) probably null Het
Pygm G A 19: 6,443,754 (GRCm39) A572T probably damaging Het
Rbm4b T C 19: 4,807,400 (GRCm39) F39L probably damaging Het
Rpe65 A G 3: 159,328,268 (GRCm39) H388R probably benign Het
Scn4a G T 11: 106,210,914 (GRCm39) A1701E possibly damaging Het
Sdk2 C A 11: 113,748,584 (GRCm39) W616L probably damaging Het
Serpina3m T A 12: 104,357,729 (GRCm39) S218T probably benign Het
Siglece C T 7: 43,309,297 (GRCm39) R87H probably damaging Het
Sim1 C A 10: 50,785,998 (GRCm39) L284M probably damaging Het
Smok3c G T 5: 138,063,844 (GRCm39) E444* probably null Het
Snx4 T C 16: 33,115,100 (GRCm39) V427A probably benign Het
Srp68 A T 11: 116,151,684 (GRCm39) V304E probably damaging Het
Stag1 A T 9: 100,678,808 (GRCm39) H243L possibly damaging Het
Stx6 T C 1: 155,049,737 (GRCm39) V14A probably damaging Het
Sv2b T A 7: 74,786,169 (GRCm39) Y417F probably benign Het
Tas2r103 A G 6: 133,013,161 (GRCm39) Y302H probably benign Het
Thop1 T C 10: 80,916,028 (GRCm39) S404P probably benign Het
Trp53bp1 G T 2: 121,051,701 (GRCm39) C988* probably null Het
Tsbp1 C T 17: 34,678,951 (GRCm39) P221L probably damaging Het
Ube3c A G 5: 29,836,269 (GRCm39) E630G possibly damaging Het
Usf3 T C 16: 44,037,718 (GRCm39) S733P probably benign Het
Vmn1r195 A G 13: 22,463,189 (GRCm39) T220A probably benign Het
Vmn1r201 A T 13: 22,658,882 (GRCm39) H32L probably benign Het
Wnt2 A G 6: 18,023,239 (GRCm39) C137R probably damaging Het
Ythdc2 T C 18: 44,980,871 (GRCm39) S489P probably damaging Het
Zfp248 A G 6: 118,406,033 (GRCm39) C418R probably damaging Het
Zfp946 T G 17: 22,674,502 (GRCm39) F419V probably damaging Het
Zfp994 C T 17: 22,419,738 (GRCm39) E404K probably damaging Het
Zfpm1 T C 8: 123,061,347 (GRCm39) V304A possibly damaging Het
Other mutations in Dmtn
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01802:Dmtn APN 14 70,842,259 (GRCm39) missense probably damaging 1.00
IGL02836:Dmtn APN 14 70,853,518 (GRCm39) missense probably damaging 1.00
R1248:Dmtn UTSW 14 70,850,098 (GRCm39) splice site probably benign
R2428:Dmtn UTSW 14 70,850,843 (GRCm39) missense probably damaging 1.00
R3438:Dmtn UTSW 14 70,850,156 (GRCm39) missense probably damaging 0.98
R4851:Dmtn UTSW 14 70,842,254 (GRCm39) missense probably damaging 1.00
R4917:Dmtn UTSW 14 70,843,159 (GRCm39) missense probably damaging 0.98
R5633:Dmtn UTSW 14 70,842,419 (GRCm39) missense probably benign 0.18
R6170:Dmtn UTSW 14 70,854,795 (GRCm39) missense probably damaging 1.00
R6214:Dmtn UTSW 14 70,850,776 (GRCm39) missense probably benign 0.05
R6215:Dmtn UTSW 14 70,850,776 (GRCm39) missense probably benign 0.05
R6639:Dmtn UTSW 14 70,854,870 (GRCm39) missense probably damaging 1.00
R6860:Dmtn UTSW 14 70,852,322 (GRCm39) missense possibly damaging 0.94
R7139:Dmtn UTSW 14 70,854,867 (GRCm39) missense probably benign 0.12
R7242:Dmtn UTSW 14 70,855,460 (GRCm39) missense probably damaging 1.00
R7380:Dmtn UTSW 14 70,854,768 (GRCm39) missense probably damaging 0.99
R7572:Dmtn UTSW 14 70,842,777 (GRCm39) missense possibly damaging 0.93
R8806:Dmtn UTSW 14 70,852,388 (GRCm39) missense probably benign 0.26
R8888:Dmtn UTSW 14 70,850,144 (GRCm39) missense probably benign 0.18
R8895:Dmtn UTSW 14 70,850,144 (GRCm39) missense probably benign 0.18
R9027:Dmtn UTSW 14 70,853,555 (GRCm39) missense probably damaging 0.99
R9032:Dmtn UTSW 14 70,853,534 (GRCm39) missense probably damaging 0.99
R9085:Dmtn UTSW 14 70,853,534 (GRCm39) missense probably damaging 0.99
R9694:Dmtn UTSW 14 70,852,732 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- TCTCTGCAACTAGACCAGCC -3'
(R):5'- AACGTCTGCAGAAGGTGAGC -3'

Sequencing Primer
(F):5'- TGCAACTAGACCAGCCCTTCC -3'
(R):5'- AGGTCCGTGCTAGAGTCG -3'
Posted On 2016-04-15